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national day long weekend ride
0:30 | views: 369
comments: 3 | favs: 2
pumptrack
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Sram Type 2 derailleur mod for 9 speed trigger
1:06 | views: 508
comments: 0 | favs: 0
The lever arm is about 2.5cm and 3.25cm for a 10 speed and 9 speed respectively. then I use epoxy clay to extend the lever arm to approximately 3.25cm. The result is this. p.s1 the chain clicking sound might be caused by the bent hanger. p.s2 the measurement are not precise, but the tolerance seems pretty high, one of my friend managed to done the mod by using shock bushing.
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Latest track walk and test ride
1:34 | views: 120
comments: 0 | favs: 0
sep 2013
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